http://www.cnr.it/ontology/cnr/individuo/prodotto/ID34570

Multi-mode resonant Auger scattering from the ethene molecule (Articolo in rivista)

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Label

Multi-mode resonant Auger scattering from the ethene molecule (Articolo in rivista) (literal)

Anno

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Alternative label

J.-C. Liu; C. Nicolas; Y.-P. Sun; R. Flammini; P. O'Keeffe; L. Avaldi; P. Morin; V. Kimberg; N. Kosugi; F. Gel'mukhanov; C. Miron (2011)
Multi-mode resonant Auger scattering from the ethene molecule
in The journal of physical chemistry. B; AIP Publishing LLC, Melville, NY 11747 (Stati Uniti d'America)
(literal)

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J.-C. Liu; C. Nicolas; Y.-P. Sun; R. Flammini; P. O'Keeffe; L. Avaldi; P. Morin; V. Kimberg; N. Kosugi; F. Gel'mukhanov; C. Miron (literal)

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Rivista

Note

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?Theoretical Chemistry, School of Biotechnology, Royal Institute of Technology, S-106 91 Stockholm, Sweden §Mathematics and Physics Department, North China Electric Power University, 102206 Beijing, China) Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, BP 48, 91192 Gif-sur-Yvette Cedex, France ^College of Physics and Electronics, Shandong Normal University, 250014 Jinan, China #CNR-IMIP, Istituto di Metodologie Inorganiche e dei Plasmi, Area della Ricerca di Roma I, Via Salaria km 29.300, 00019 Monterotondo Scalo (RM), Italy 3Institute for Molecular Science, 444-8585 Okazaki, Japan (literal)

Titolo

Abstract

Resonant Auger spectra of ethene molecule have been measured with vibrational resolution at several excitation energies in the region of the C1s-11b2g(?*) resonance. The main features observed in the experiment have been assigned and are accurately interpreted on the basis of ab initio multimode calculations. Theory explains the extended vibrational distribution of the resonant Auger spectra and its evolution as a function of the excitation energy by multimode excitation during the scattering process. As a result, the resonant Auger spectra display two qualitatively different spectral features following the Raman and non-Raman dispersion laws, respectively. Calculations show that two observed thresholds of formation of non- Raman spectral bands are related to the \"double-edge\" structure of the X-ray absorption spectrum. (literal)

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